<?php if(!defined('BASEPATH'))exit('No direct script access allowed');class CI_DB_mysqli_utility extends CI_DB_utility{function _list_databases(){return "SHOW DATABASES";}function _optimize_table($table){return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table);}function _repair_table($table){return "REPAIR TABLE ".$this->db->_escape_identifiers($table);}function _backup($params=array()){return $this->db->display_error('db_unsuported_feature');}}